.page-about {
  --about-grid-color: rgba(0, 229, 255, 0.04);
  --about-line-soft: rgba(0, 229, 255, 0.14);
  --about-line-strong: rgba(0, 229, 255, 0.32);
  --about-card-bg: linear-gradient(135deg, rgba(0, 229, 255, 0.06), rgba(0, 229, 255, 0.02));
  background-image:
    linear-gradient(var(--about-grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-grid-color) 1px, transparent 1px);
  background-size: 36px 36px;
  overflow-x: hidden;
}

.page-about .about-head {
  position: relative;
  padding: 52px 0 44px;
}

.page-about .about-head::before {
  content: "";
  position: absolute;
  width: 440px;
  height: 440px;
  right: -140px;
  top: -180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.13), transparent 65%);
  pointer-events: none;
}

.page-about .about-head .breadcrumb {
  margin-bottom: 28px;
}

.page-about .about-head .section-eyebrow {
  margin-bottom: 12px;
}

.page-about .about-head .page-title {
  margin-bottom: 18px;
  max-width: 860px;
  letter-spacing: -0.015em;
  font-size: clamp(34px, 6vw, 58px);
  line-height: 1.12;
}

.page-about .about-head .page-lead {
  max-width: 660px;
  margin: 0;
  color: var(--text-mid);
  font-size: 17px;
  line-height: 1.75;
}

.page-about .about-vision {
  padding: 28px 0 88px;
}

.page-about .about-vision-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}

.page-about .about-vision-copy .section-eyebrow {
  margin-bottom: 12px;
}

.page-about .about-vision-copy .section-title {
  margin-bottom: 18px;
}

.page-about .about-vision-copy .section-desc {
  margin-bottom: 14px;
  max-width: 500px;
}

.page-about .about-vision-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--accent-glow);
  border: 1px solid var(--about-line-soft);
  color: var(--text-high);
  font-size: 14px;
}

.page-about .about-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.8);
}

.page-about .about-vision-stat {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--border-subtle);
}

.page-about .about-vision-stat .data-num {
  font-size: 58px;
  font-weight: 800;
  line-height: 0.9;
}

.page-about .about-vision-stat-label {
  color: var(--text-mid);
  font-size: 15px;
  line-height: 1.55;
}

.page-about .about-vision-media {
  position: relative;
  margin: 0;
}

.page-about .about-vision-media::before {
  content: "";
  position: absolute;
  inset: 22px -16px -16px 22px;
  border-radius: 28px;
  background: rgba(0, 229, 255, 0.1);
  z-index: 0;
}

.page-about .about-vision-img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  border-radius: 24px;
  border: 1px solid var(--border-subtle);
  object-fit: cover;
}

.page-about .about-milestones {
  position: relative;
  padding: 80px 0 88px;
}

.page-about .about-milestones::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 40px;
  width: 720px;
  height: 520px;
  background: radial-gradient(ellipse, rgba(0, 229, 255, 0.06), transparent 70%);
  transform: translateX(-50%);
  pointer-events: none;
}

.page-about .about-milestones .section-head {
  margin-bottom: 40px;
}

.page-about .about-filter-bar {
  position: relative;
  z-index: 1;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.page-about .about-filter-bar .filter-btn {
  background: var(--bg-surface);
  border-color: var(--border-subtle);
  color: var(--text-mid);
}

.page-about .about-filter-bar .filter-btn[aria-pressed="true"] {
  background: var(--accent-glow);
  border-color: rgba(0, 229, 255, 0.45);
  color: var(--accent-cyan);
}

.page-about .about-milestones-track {
  position: relative;
  z-index: 1;
}

.page-about .about-milestones-track::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 12px;
  bottom: 20px;
  width: 1px;
  background: linear-gradient(180deg, var(--about-line-strong), rgba(0, 229, 255, 0.05));
}

.page-about .about-milestone-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding-left: 34px;
  margin-bottom: 36px;
}

.page-about .about-milestone-item:last-child {
  margin-bottom: 0;
}

.page-about .about-milestone-year {
  margin: 0;
  color: var(--accent-cyan);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.04em;
  text-shadow: 0 0 24px rgba(0, 229, 255, 0.35);
}

.page-about .about-milestone-dot {
  position: absolute;
  left: 0;
  top: 4px;
  width: 12px;
  height: 12px;
}

.page-about .about-milestone-dot::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--bg-base);
  border: 2px solid var(--accent-cyan);
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.4);
}

.page-about .about-milestone-card {
  background: var(--about-card-bg);
  border: 1px solid var(--about-line-soft);
  border-radius: 20px;
  transition: transform 0.3s var(--ease-out), border-color 0.3s, box-shadow 0.3s;
}

.page-about .about-milestone-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 255, 0.35);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(0, 229, 255, 0.08);
}

.page-about .about-milestone-card .card-body {
  padding: 24px;
}

.page-about .about-milestone-index {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-low);
}

.page-about .about-milestone-card h3 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.3;
}

.page-about .about-milestone-card .card-text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-mid);
}

.page-about .about-milestone-card .data-chip {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--accent-glow);
  border: 1px solid rgba(0, 229, 255, 0.2);
  color: var(--accent-cyan);
  font-size: 13px;
}

.page-about .about-standards {
  padding: 24px 0 88px;
}

.page-about .about-standards .section-head {
  margin-bottom: 40px;
}

.page-about .about-standards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-about .about-standards-card {
  position: relative;
  border-radius: 22px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  transition: transform 0.3s var(--ease-out), border-color 0.3s;
}

.page-about .about-standards-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.06), transparent 48%);
  pointer-events: none;
}

.page-about .about-standards-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 255, 0.3);
}

.page-about .about-standards-card .card-body {
  position: relative;
  padding: 28px;
  height: 100%;
}

.page-about .about-standards-card h3 {
  margin: 0 0 14px;
  font-size: 21px;
  line-height: 1.3;
}

.page-about .about-standards-card .card-text {
  margin: 0;
  color: var(--text-mid);
  font-size: 15px;
  line-height: 1.75;
}

.page-about .about-standards-stats {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-about .about-standards-stats li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--border-subtle);
}

.page-about .about-standards-stats li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-about .about-standards-stats .data-num {
  font-size: 38px;
  font-weight: 800;
  line-height: 1;
}

.page-about .about-standards-stats .mono {
  color: var(--text-mid);
  font-size: 14px;
}

.page-about .about-standards-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-mid);
  font-size: 14px;
}

.page-about .about-standards-flow .flow-step {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.page-about .about-standards-flow .flow-arrow {
  font-style: normal;
  font-weight: 700;
  color: var(--accent-cyan);
}

.page-about .about-standards-process {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 24px;
  padding: 24px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.05), rgba(0, 229, 255, 0.01));
  border: 1px solid rgba(0, 229, 255, 0.12);
}

.page-about .about-standards-process-media {
  margin: 0;
}

.page-about .about-standards-process-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
  border: 1px solid var(--border-subtle);
  object-fit: cover;
}

.page-about .about-standards-process-text h3 {
  margin: 0 0 14px;
  font-size: 22px;
  line-height: 1.3;
}

.page-about .about-standards-process-text p {
  margin: 0 0 12px;
  color: var(--text-mid);
  font-size: 15px;
  line-height: 1.75;
}

.page-about .about-team {
  padding: 88px 0;
}

.page-about .about-team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

.page-about .about-team-media {
  position: relative;
  margin: 0;
}

.page-about .about-team-media::before {
  content: "";
  position: absolute;
  left: -14px;
  top: -14px;
  width: 80px;
  height: 80px;
  border-left: 2px solid var(--accent-cyan);
  border-top: 2px solid var(--accent-cyan);
  border-radius: 12px;
  z-index: 1;
  opacity: 0.6;
}

.page-about .about-team-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 24px;
  border: 1px solid var(--border-subtle);
  object-fit: cover;
}

.page-about .about-team-copy .section-eyebrow {
  margin-bottom: 12px;
}

.page-about .about-team-copy .section-title {
  margin-bottom: 18px;
}

.page-about .about-team-copy .section-desc {
  max-width: 480px;
  margin-bottom: 16px;
}

.page-about .about-team-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-team-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  border-radius: 16px;
  background: rgba(0, 229, 255, 0.04);
  border: 1px solid rgba(0, 229, 255, 0.1);
  color: var(--text-mid);
  font-size: 15px;
  line-height: 1.7;
}

.page-about .about-team-list .data-chip {
  flex-shrink: 0;
}

.page-about .about-team-total {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 380px;
  margin-top: 24px;
  padding: 16px 20px;
  border-radius: 18px;
  background: var(--accent-glow);
  border: 1px solid rgba(0, 229, 255, 0.15);
}

.page-about .about-team-total .data-num {
  font-size: 40px;
  font-weight: 800;
  line-height: 1;
}

.page-about .about-team-total-text {
  color: var(--text-high);
  font-size: 15px;
}

.page-about .about-summary {
  padding: 24px 0 96px;
}

.page-about .about-summary-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 52px 36px;
  border-radius: 32px;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(0, 229, 255, 0.12), transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(124, 92, 252, 0.1), transparent 50%),
    var(--bg-surface);
  border: 1px solid rgba(0, 229, 255, 0.16);
  text-align: center;
}

.page-about .about-summary-inner .section-eyebrow {
  margin-bottom: 14px;
}

.page-about .about-summary-inner .section-title {
  max-width: 620px;
  margin-bottom: 16px;
  font-size: clamp(28px, 4.5vw, 44px);
  line-height: 1.2;
}

.page-about .about-summary-inner .section-desc {
  max-width: 540px;
  margin-bottom: 30px;
  color: var(--text-mid);
  font-size: 16px;
  line-height: 1.7;
}

.page-about .about-summary-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

@media (min-width: 720px) {
  .page-about .about-milestones-track::before {
    left: 120px;
  }

  .page-about .about-milestone-item {
    grid-template-columns: 96px 48px 1fr;
    gap: 0;
    padding-left: 0;
    margin-bottom: 32px;
  }

  .page-about .about-milestone-year {
    padding-top: 20px;
    padding-right: 2px;
    text-align: right;
    font-size: 24px;
  }

  .page-about .about-milestone-dot {
    position: relative;
    left: auto;
    top: auto;
    width: 48px;
    height: 100%;
  }

  .page-about .about-milestone-dot::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .page-about .about-milestone-card .card-body {
    padding: 28px;
  }
}

@media (min-width: 760px) {
  .page-about .about-standards-grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-about .about-standards-process {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    align-items: center;
    gap: 40px;
    padding: 32px;
  }
}

@media (min-width: 900px) {
  .page-about .about-vision-grid {
    grid-template-columns: 7fr 5fr;
    gap: 64px;
  }

  .page-about .about-team-grid {
    grid-template-columns: 5fr 6fr;
    gap: 72px;
  }
}